Women's Wireless BrasThe opposite of an underwire bra is the non wired bra. The advantage of thsi kind of bra is that it does not press into your skin. An underwire bra can leave marks. These bra's are recommended during pregnancy or after birth. A bra without underwire gives your breasts enough space to help start the milking process. Other bras include nursing bra's, balcony bra's and padded bra's.